Navigation plotter



FIG. 1 is a front elevational view of a navigation plotter showing my new design, the rear being substantially flat, plain, and unornamented;

FIG. 2 is a side elevational view, the opposite side being identical to the side shown;

FIG. 3 is an end elevational view, the opposite end being identical to the end shown. 

The ornamental design for a navigation plotter, as shown. 